Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands
Shopping for

1989 Peterbilt 378

X
  2. Auto Parts
  3. Belts and Cooling
  4. Accessory Drive Belt System Components
  5. Accessory Drive Belt for 1989 Peterbilt 378

1989 Peterbilt 378: Accessory Drive Belt


Displaying 1 to 25 (of 155 products)

ACDelco 2T17476 Accessory Drive Belt
for 1989 Peterbilt 378

ACDelco
On Sale:

$30.59
Avail:
1 in Stock
Warehouse: US-12
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Alternator
 
Professional
W/48 Belt O.C.
Preferred Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator Professional
W/48 Belt O.C.
Preferred Belt

1 Per Vehicle

Gates 2/9570PB Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$46.96
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Fan
 
High Capacity Joined V-Belt
W/57 3/8 Belt O.C.
Preferred Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity Joined V-Belt
W/57 3/8 Belt O.C.
Preferred Belt

1 Per Vehicle

Gates 2/9640PB Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$52.25
Avail:
3 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Fan
 
High Capacity Joined V-Belt
W/64 3/8 Belt O.C.
Preferred Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity Joined V-Belt
W/64 3/8 Belt O.C.
Preferred Belt

1 Per Vehicle

Gates 9495HD Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$24.29
Avail:
9 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/50 Belt O.C.
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/50 Belt O.C.

1 Per Vehicle

Gates TR28565 Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$33.77
Avail:
2 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Truck & Bus V-Belt
W/57 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning Truck & Bus V-Belt
W/57 1/2 Belt O.C.

1 Per Vehicle

Dayco 17460 Accessory Drive Belt
for 1989 Peterbilt 378

Dayco
On Sale:

$16.15
Avail:
17 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Alternator
 
High Performance V-Belt HD
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Alternator High Performance V-Belt HD

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan To Alternator and Air Conditioning
 
High Performance V-Belt HD
with 46in Long Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan To Alternator and Air Conditioning High Performance V-Belt HD
with 46in Long Belt

2 Per Vehicle

Dayco 17475 Accessory Drive Belt
for 1989 Peterbilt 378

Dayco
On Sale:

$19.74
Avail:
40 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
High Performance V-Belt HD
with 47-1/2in Long Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator High Performance V-Belt HD
with 47-1/2in Long Belt

2 Per Vehicle

Dayco 17490 Accessory Drive Belt
for 1989 Peterbilt 378

Dayco
V-BELT TOP COG
On Sale:

$16.14
Avail:
71 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
High Performance V-Belt HD
with 49in Long Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator High Performance V-Belt HD
with 49in Long Belt

2 Per Vehicle

Dayco 17590 Accessory Drive Belt
for 1989 Peterbilt 378

Dayco
Top Cog GOLD LABEL V-Bel
On Sale:

$15.94
Avail:
44 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan To Air Conditioning
 
High Performance V-Belt HD
with 56in Long Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan To Air Conditioning High Performance V-Belt HD
with 56in Long Belt

1 Per Vehicle

Dayco 17660 Accessory Drive Belt
for 1989 Peterbilt 378

Dayco
V-BELT TOP COG
On Sale:

$22.47
Avail:
21 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan
 
High Performance V-Belt HD
with 66in Long Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Performance V-Belt HD
with 66in Long Belt

2 Per Vehicle

Dayco 22540 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$25.22
Avail:
2 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Fan
 
High Performance V-Belt HD
with 54in Long Belt
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Fan High Performance V-Belt HD
with 54in Long Belt

2 Per Vehicle

Dayco 28423 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$22.34
Avail:
7 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
High Performance V-Belt HD
with 42-1/2in Long Belt
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning High Performance V-Belt HD
with 42-1/2in Long Belt

1 Per Vehicle

Dayco 28455 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$24.63
Avail:
4 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Fan
 
High Performance V-Belt HD
with 45-1/2in Long Belt
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Fan High Performance V-Belt HD
with 45-1/2in Long Belt

2 Per Vehicle

Continental 17461 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$23.03
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Alternator
 
V-Belt
Matched Set of 2 Belts
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Alternator V-Belt
Matched Set of 2 Belts
Eng Mfr: Cummins

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
V-Belt
w/ 46 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator V-Belt
w/ 46 belt
Eng Mfr: Detroit Diesel

2 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Air Conditioning
 
V-Belt
1/2 Top Width, 46 Long
Matched Set of 2 Belts
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Air Conditioning V-Belt
1/2 Top Width, 46 Long
Matched Set of 2 Belts
Eng Mfr: Cummins

2 Per Vehicle

Continental 17475MK Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$5.49
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
V-Belt
w/ 47 1/2 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator V-Belt
w/ 47 1/2 belt
Eng Mfr: Detroit Diesel

2 Per Vehicle

Continental 17480MK Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$5.49
Avail:
6 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Air Conditioning
 
V-Belt
w/ 48 Belt
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Air Conditioning V-Belt
w/ 48 Belt

1 Per Vehicle

Continental 17481 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$23.16
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Air Conditioning
 
V-Belt
w/ 48 Belt
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Air Conditioning V-Belt
w/ 48 Belt

1 Per Vehicle

Continental 17530MK Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$5.49
Avail:
2 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel

1 Per Vehicle

Continental 17540MK Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$5.49
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
V-Belt
w/ 54 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning V-Belt
w/ 54 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 54 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 54 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle

Continental 17561 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$21.91
Avail:
1 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 56 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 56 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle

Continental 17570 Accessory Drive Belt
for 1989 Peterbilt 378

On Sale:

$31.04
Avail:
3 in Stock
Warehouse: US-7
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 57 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 57 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
1
 
Alternator and Air Conditioning
 
V-Belt
Eng: 3406
Eng Mfr: Caterpillar
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator and Air Conditioning V-Belt
Eng: 3406
Eng Mfr: Caterpillar

1 Per Vehicle

Gates 9420 Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$18.06
Avail:
7 in Stock
Warehouse: US-1
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
High Capacity V-Belt (Standard)
W/1/2 Belt T.W.
W/42 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning High Capacity V-Belt (Standard)
W/1/2 Belt T.W.
W/42 1/2 Belt O.C.

1 Per Vehicle

Gates 9435 Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$12.23
Avail:
1 in Stock
Warehouse: US-1
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator
 
High Capacity V-Belt (Standard)
W/43 7/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator High Capacity V-Belt (Standard)
W/43 7/8 Belt O.C.
Optional Belt

2 Per Vehicle

Gates 9463 Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$15.29
Avail:
2 in Stock
Warehouse: US-1
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator
 
High Capacity V-Belt (Standard)
W/46 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator High Capacity V-Belt (Standard)
W/46 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Standard)
W/46 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Standard)
W/46 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
High Capacity V-Belt (Standard)
W/47 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator High Capacity V-Belt (Standard)
W/47 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Air Conditioning
 
High Capacity V-Belt (Standard)
W/V-Belt Drive
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Air Conditioning High Capacity V-Belt (Standard)
W/V-Belt Drive

1 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Air Conditioning
 
High Capacity V-Belt (Standard)
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning High Capacity V-Belt (Standard)
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check

2 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Alternator
 
High Capacity V-Belt (Standard)
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Alternator High Capacity V-Belt (Standard)
PowerBand belt may work, use template to check

2 Per Vehicle

Gates 9463HD Accessory Drive Belt
for 1989 Peterbilt 378

Gates
On Sale:

$19.60
Avail:
3 in Stock
Warehouse: US-1
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator
 
High Capacity V-Belt (Heavy-Duty)
W/46 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator High Capacity V-Belt (Heavy-Duty)
W/46 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/46 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/46 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
High Capacity V-Belt (Heavy-Duty)
W/47 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator High Capacity V-Belt (Heavy-Duty)
W/47 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/V-Belt Drive
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/V-Belt Drive

1 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check

2 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Alternator
 
High Capacity V-Belt (Heavy-Duty)
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Alternator High Capacity V-Belt (Heavy-Duty)
PowerBand belt may work, use template to check

2 Per Vehicle
Displaying 1 to 25 (of 155 products)